Patents by Inventor Shawn Kerstan Littrell

Shawn Kerstan Littrell has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: D707281
    Type: Grant
    Filed: September 17, 2012
    Date of Patent: June 17, 2014
    Assignee: Steelcase Inc.
    Inventors: Timothy Scott DeVries, Allen Curtis Hager, Shawn Kerstan Littrell
  • Patent number: D725638
    Type: Grant
    Filed: September 17, 2012
    Date of Patent: March 31, 2015
    Assignee: Steelcase Inc.
    Inventors: William Kirk Hofman, Shawn Kerstan Littrell, Karl Jahn Mead
  • Patent number: D730426
    Type: Grant
    Filed: April 15, 2014
    Date of Patent: May 26, 2015
    Assignee: Steelcase Inc.
    Inventors: Timothy Scott DeVries, Allen Curtis Hager, Shawn Kerstan Littrell